Ærn

According to the Old English Dictionary:

ern, es;

ærn

n. A place, secret place, closet, an habitation, a house, cottage; locus, locus secretior, domus, casa :-- Bireþ into his ærne beareth into his habitation, L. In. 57; Th. i. 138, 16. [O. Nrs. rann, n.] DER. bere-ærn [-ern] a barley place, barn, blác-, blæc-, blǽc-, breáw-, carc-, cweart-, cwert-, dóm-, eást-, eorþ-, fold-, gæst-, gest-, gyst-, heal-, hédd-, holm-, hord-, mæðel-, medo-, meðel-, mold-, norþ-, slǽp-, súþ-, þryþ-, west-, wín-. ærn,-ærn